677645395 has 16 divisors (see below), whose sum is σ = 938927808. Its totient is φ = 459878400.

The previous prime is 677645383. The next prime is 677645453. The reversal of 677645395 is 593546776.

It is a happy number.

It is not a de Polignac number, because 677645395 - 2⁵ = 677645363 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96406 + ... + 103195.

It is an arithmetic number, because the mean of its divisors is an integer number (58682988).

Almost surely, 2^677645395 is an apocalyptic number.

677645395 is a deficient number, since it is larger than the sum of its proper divisors (261282413).

677645395 is a wasteful number, since it uses less digits than its factorization.

677645395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199710.

The product of its digits is 4762800, while the sum is 52.

The square root of 677645395 is about 26031.6229805212. The cubic root of 677645395 is about 878.3497805535.

The spelling of 677645395 in words is "six hundred seventy-seven million, six hundred forty-five thousand, three hundred ninety-five".